Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o ano de estreia do Prince Albert Raiders?
 ###Tabelas: CREATE TABLE record_vs._big_12_opponents (record_vs._big_12_opponents_id AUTO_INCREMENT PRIMARY KEY, Oklahoma vs. VARCHAR, Overall Record VARCHAR, at Norman VARCHAR, at Opponent's Venue VARCHAR, at Neutral Site VARCHAR, Last 5 Meetings VARCHAR, Last 10 Meetings VARCHAR, Current Streak VARCHAR, Since Beginning of Big 12 VARCHAR) CREATE TABLE doubles_5 (doubles_5_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents VARCHAR, Score VARCHAR) CREATE TABLE race_1 (race_1_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Team VARCHAR, Driver VARCHAR, Chassis – Engine VARCHAR, Laps INT) CREATE TABLE averages (averages_id AUTO_INCREMENT PRIMARY KEY, City VARCHAR, January (Avg. High °F) VARCHAR, January (Avg. Low °F) VARCHAR, July (Avg. High °F) INT, July (Avg. Low °F) INT) CREATE TABLE active_teams (active_teams_id AUTO_INCREMENT PRIMARY KEY, Tournament Appearances INT, Team VARCHAR, League VARCHAR, Wins INT, Final Losses INT, Semi-Final Losses INT, Fourth-Place* INT, Final Win % VARCHAR, Years of appearance VARCHAR)  
SELECT Years of appearance FROM active_teams WHERE Team = Prince Albert Raiders